Finding the Fourth Proportional to 29,879,588.79, 41,233,272.57 and 18,276,299.91
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Solution
The fourth proportional to 29,879,588.79, 41,233,272.57 and 18,276,299.91 is: 25,220,951.37
Step by Step Solution
- Step 1: Write the proportion equation
29,879,588.79 : 41,233,272.57 = 18,276,299.91 : x - Step 2: Convert to fraction form
29,879,588.79/41,233,272.57 = 18,276,299.91/x - Step 3: Cross multiply
29,879,588.79x = 41,233,272.57 × 18,276,299.91 - Step 4: Simplify right side
29,879,588.79x = 753,591,655,760,096.50 - Step 5: Solve for x
x = 753,591,655,760,096.50/29,879,588.79 - Step 6: Final answer
x = 25,220,951.37
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.